421130423 has 8 divisors (see below), whose sum is σ = 482012448. Its totient is φ = 360428544.

The previous prime is 421130401. The next prime is 421130429. The reversal of 421130423 is 324031124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421130423 - 2⁸ = 421130167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421130395 and 421130404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421130429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39986 + ... + 49407.

It is an arithmetic number, because the mean of its divisors is an integer number (60251556).

Almost surely, 2^421130423 is an apocalyptic number.

421130423 is a deficient number, since it is larger than the sum of its proper divisors (60882025).

421130423 is an equidigital number, since it uses as much as digits as its factorization.

421130423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90073.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 421130423 is about 20521.4624966156. The cubic root of 421130423 is about 749.5585093509.

Adding to 421130423 its reverse (324031124), we get a palindrome (745161547).

The spelling of 421130423 in words is "four hundred twenty-one million, one hundred thirty thousand, four hundred twenty-three".